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USB 2.0 Headers
(9-pin USB_6_7)
(see p.2, No. 25)
(9-pin USB_8_9)
(see p.2, No. 24)
(9-pin USB_10_11)
(see p.2, No. 23)
USB 3.0 Header
(19-pin USB3_12_13)
(see p.2, No. 9)
Infrared Module Header
(5-pin IR1)
(see p.2, No. 19)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.2, No. 26)
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ASRock Z77 Extreme4-M Motherboard
Besides four default USB 2.0
ports on the I/O panel, there are
three USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
Besides two default USB 3.0
ports on the I/O panel, there is
one USB 3.0 header on this
motherboard. This USB 3.0
header can support two USB 3.0
ports.
This header supports an
optional wireless transmitting
and receiving infrared module.
This header can be used to
connect the remote controller
receiver.
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